Access Vba Error Handling Function
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Access 2010 Vba Error Handling
Handling and Debugging Tips for Access 2007, VB, and VBA Error Handling and Debugging Tips for Access 2007, VB, and VBA Error Handling and Debugging Tips for Access 2007, VB,
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Office Add-ins Office Add-in Availability Office Add-ins Changelog Microsoft Graph API Office vba error handling display message 365 Connectors Office 365 REST APIs SharePoint Add-ins Office UI Fabric Submit to the Office Store All vba error handling line number Documentation https://www.yammer.com/ http://feeds.feedburner.com/office/fmNx How do I... Miscellaneous Maintenance Maintenance Handle Run-Time Errors in VBA Handle Run-Time Errors in VBA Handle Run-Time Errors in VBA Compact and Repair a https://msdn.microsoft.com/en-us/library/ee358847(v=office.12).aspx Database Recover Tables Deleted from a Database Handle Run-Time Errors in VBA TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. Handle Run-Time Errors in VBA Office 2013 and later Other Versions Office 2010 Contribute to https://msdn.microsoft.com/en-us/library/office/ff193267.aspx this content Use GitHub to suggest and submit changes. See our guidelines for contributing to VBA documentation. Errors and Error Handling When you are programming an application, you need to consider what happens when an error occurs. An error can occur in your application for one of two of reasons. First, some condition at the time the application is running makes otherwise valid code fail. For example, if your code attempts to open a table that the user has deleted, an error occurs. Second, your code may contain improper logic that prevents it from doing what you intended. For example, an error occurs if your code attempts to divide a value by zero. If you have not implemented error handling, Visual Basic halts execution and displays an error message when an error occurs in your code. The user of your application is likely to be confused and frustrated when this happens. You can forestall many problems by including thorough error-handling routines in your code to handle any e
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the http://stackoverflow.com/questions/19042604/vba-excel-error-handling-especially-in-functions-professional-excel-developm workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs http://www.databasedev.co.uk/error-handling.html Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join vba error them; it only takes a minute: Sign up VBA Excel Error Handling - especially in functions - Professional Excel Development Style up vote 5 down vote favorite 4 I got the book "Professional Excel Development" by Rob Bovey and it is opening up my eyes. I am refitting my code with error handling. However, there is a lot I vba error handling don't understand. I especially need to know how to correctly use it in functions. I use Bovey's rethrow version of the error handler (at bottom). When I started, I was using the basic boolean (non-rethrow) method and turned my subroutines into boolean functions. (P.S. I am switching back to the boolean method based on the answer.) I need guidance on how to fit functions into this scheme. I want them to return their real values (a string or double, e.g., or -1 if they fail in some cases) so I can nest them in other functions and not just return an error handling boolean. This is what a typical subroutine call to bDrawCellBorders(myWS) would look like within an entry point. Sub calls seem to be working well. (I.e. it is a subroutine that was turned into a function only so it can return a boolean to the error handling scheme.) Sub UpdateMe() ' Entry Point Const sSOURCE As String = "UpdateMe()" On Error GoTo ErrorHandler Set myWS = ActiveCell.Worksheet Set myRange = ActiveCell myWS.Unprotect ' l
GUI Design GUI Design Examples Submit Your Examples Resources Resources Database News Knowledge Base Microsoft Access Products, Tools & Add-In's Online Shop UK Visitors US Visitors Info Contact Us Advertise With Us Link To Us Write For Us Competitions Microsoft Access VBA Error Handling In Microsoft Access Error handling routines are very powerful tools in Microsoft Access if they are used correctly. Surprisingly though, errors and their properties are relatively unknown to a large part of the development community. To effectively implement error handling in your applications, it is necessary to know the resources that are available when your program encounters an error. Assuming we are working with non-executable programs (.mdb's or .accdb's), the most important thing to understand is the global settings for error trapping in our VBA procedure. Under the "Tools » Options" menu, then on the "General" Tab there are three options for error trapping: Break on all errors » Stops code execution when an error is encountered. Break in class module » Stops code execution in class modules only. Break on unhandled errors » Stops code execution only if there is no error handling routine present in the procedure. This is the global setting for error handling. So, if error traps are present in our procedures, they will be ignored if we have specified the "Break on all errors" option. In the following image, we've done just that: There are three important statements in an error handling routine: On Error, Resume and GoTo. Typically, they will appear together at the beginning of a procedure: On Error Resume Next On Error GoTo 0 The "Resume" and "GoTo" statements simply tell VBA what to do when an error is encountered. First, Resume has two primary actions associated with it: Resume Next » Ignores the encountered error and continues execution with the next line of code. Resume (label) » After an error occurs, code execution resumes on the first line of code after the labeled line. Similarly, GoTo is usually found in two forms: GoTo 0 » Terminates the procedure's error handler. In other words, this statement disables it. GoTo (label) » Identical to the Resume statement. Execution jumps to the first line after the labeled line. So which is best to use? It all depends on what the error possibilities are. But there a few other things to know before deciding what tools to use. For traps to be effective, you should also understand the purpose of the following: active error handler, the err object and its properties. Let's look at each individually: Active Error Handlers One handler is initialized and enabled